/*****************************************************
 * @author harvey
 * @date 2020-03-26 14:41
 * @since 1.0
 * @version 1.0
 *
 * The Utilities of Joiner will be demo by test case {@link JoinerTest}
 * The Utilities of Splitter will be demo by test case {@link SplitterTest}
 * The Utilities of Preconditions will be demo by test case {@link PreconditionsTest}
 *
 * Utilities:
 *  1) Joiner: 连接字符串
 *  2) Splitter：分隔字符串
 *  3) Preconditions：断言条件
 *
 *
 * 1. 使用Joiner连接Map：    Joiner.on("#").withKeyValueSeparator("=").appendTo(fileWriter, stringMap);
 * 2. 使用Joiner连接List：   Joiner.on("#").useForNull("DEFAULT_VALUE").appendTo(fileWriter, stringWithNullList);
 *
 * ***************************************************/
package com.harvey.guava.utilities;